The area has a rich history tracing to the Bronze Age of the Tay Au Kingdom in Vietnam. The dynasties which ruled the area were Tay lords, Be Khac Thiệu and Nga Dac Thai. Cao Bang has several points of historical interest as well as many natural features such as the Pac Bo (at the mouth of the confluence of two rivers, the Bằng Giang and Hien rivers) where Hồ Chí Minh in January 1941 established a revolutionary force at Coc Bo cave, the Mac emperor's Temple, the Ky Sam Temple, Coi Bin Church, the Ban Gioc waterfall area at the international border between Vietnam and China, and the Thang Hen Mountain Lake.